Seiko Cal. 5657 - 787

This Solar model from 1985 features a 39mm Gold-Plated case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7c232d88425e]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1985

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