Seiko Cal. 7057 - 682

This Spring Drive model from 1990 features a 39mm PVD Black case. Powered by the 7057 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-65f048c6c36d]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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