Seiko Cal. 7138 - 306

This Spring Drive model from 1973 features a 45mm PVD Black case. Powered by the 7138 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-7056e80a5e83]

Also known as: Panda, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1973

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