Vintage 60's Seiko Sealion

Vintage Seiko Sea Lion M77 Weekdater, a model from the mid-1960s. It is part of the "Sea Lion" series.

Key Specifications

• Movement: Automatic features an automatic 8306 caliber movement with 30 Jewels.
• Dial Features: Sunburst dial with "bullet" hour markers and a day/date window at the 3 o'clock position.
• Lume: A unique feature of this model is its reverse-luming, where the lume dots are placed on the outside tips of the hour markers and on the underside of the hands. 

Condition

In working order, the case and bracelet has wear, crystal would need replacement. 

Dimensions: 38mm width (including crown), 20mm lug width, 41mm lug-to-lug.