Seiko Cal. 5648 - 627

This Hand-Winding model from 1991 features a 46mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-4458f2c47870]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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