Seiko Cal. 4437 - 696

This Hand-Winding model from 1968 features a 35mm PVD Black case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-d7fba7f66006]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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