Seiko Cal. 6157 - 993

The Seiko 6157-993 represents an important milestone in Seiko's 1984 lineup. Powered by the 6157 caliber with 22j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-f2165533d59e]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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