Seiko Cal. 7157 - 735

The Seiko 7157-735 represents an important milestone in Seiko's 1980 lineup. Powered by the 7157 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-c8bca4dc6a89]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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