Seiko Cal. 6331 - 380

This Kinetic model from 1975 features a 37mm Hardlex-Coated Steel case. Powered by the 6331 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-41c4ab46d23e]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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