Seiko Cal. 4432 - 639

This Hand-Winding model from 1988 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-92471e7bffd1]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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