Seiko Cal. 6139 - 645

This Hand-Winding model from 1997 features a 42mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-741d99d1673d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1997

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