Seiko Cal. 7156 - 777

This Solar model from 1968 features a 40mm Stainless Steel case. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-2bcd8b31f7d5]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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