Seiko Cal. 5688 - 157

This Solar model from 1985 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-490c73bd4e82]

Also known as: Helmet, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1985

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