Seiko Cal. 7138 - 953

The Seiko 7138-953 represents an important milestone in Seiko's 1979 lineup. Powered by the 7138 caliber with 24j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-5ed034701994]

Also known as: Monster, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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