Seiko Cal. 3815 - 645

This Kinetic model from 1971 features a 41mm Stainless Steel case. Powered by the 3815 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-3696e9100332]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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