Seiko Cal. 6638 - 735

This Kinetic model from 1986 features a 45mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-783ff33bb105]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1986

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