Seiko Cal. 6139 - 974

This Hand-Winding model from 1975 features a 44mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-ccd464947198]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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