Seiko Cal. 6691 - 426

This Hand-Winding model from 1974 features a 45mm PVD Black case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-a54ca7e3771b]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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