Seiko Cal. 7057 - 221

This Automatic model from 1981 features a 39mm Hardlex-Coated Steel case. Powered by the 7057 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-da706bc04833]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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