Seiko Cal. 6331 - 260

This Kinetic model from 1978 features a 42mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b1b4d3f08eff]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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