Seiko Cal. 7157 - 581

The Seiko 7157-581 represents an important milestone in Seiko's 1984 lineup. Powered by the 7157 caliber with 30j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-5bbdb0110ec9]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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