Seiko Cal. 6331 - 515

This Kinetic model from 1977 features a 41mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-32fe5149276f]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1977

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