Seiko Cal. 4432 - 634

This Hand-Winding model from 1977 features a 38mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-15f48b08f148]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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