Seiko Cal. 3815 - 645

Seiko 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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seikata-wm-3696e9100332