Seiko Cal. 6231 - 561

This Automatic model from 1977 features a 35mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-212b142f81cd]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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