Seiko Cal. 7091 - 640

This Spring Drive model from 1965 features a 45mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b0906924d031]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

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