Seiko Cal. 6331 - 170

This Solar model from 1986 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-2c769ec27aa9]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1986

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