Seiko Cal. 7138 - 215

This Spring Drive model from 1971 features a 36mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d7dc89590c43]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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