Seiko Cal. 6634 - 658

This Kinetic model from 1970 features a 45mm Hardlex-Coated Steel case. Powered by the 6634 caliber with 26j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e0d20c410bae]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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