Seiko Cal. 7138 - 199

This Spring Drive model from 1988 features a 39mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-013426289d4a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

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