Seiko Cal. 7057 - 313

This Solar model from 1987 features a 44mm PVD Black case. Powered by the 7057 caliber with 35j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-2e7e8c6c80fa]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1987

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