Seiko Cal. 6646 - 600

This Hand-Winding model from 1988 features a 40mm Titanium case. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-1779e52f9ebe]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1988

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