Seiko Cal. 6231 - 191

This Solar model from 1976 features a 39mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-169f4081bc1f]

Also known as: Monster, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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