Seiko Cal. 5645 - 423

This Hand-Winding model from 1980 features a 39mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-ba8b2ba62cd4]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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