Seiko Cal. 7057 - 413

This Hand-Winding model from 1966 features a 36mm PVD Black case. Powered by the 7057 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a924805e38f0]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

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