Seiko Cal. 7136 - 318

This Spring Drive model from 1981 features a 38mm PVD Black case. Powered by the 7136 caliber with 36j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-395bb102a847]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

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