Seiko Cal. 3817 - 935

This Quartz model from 1967 features a 36mm PVD Black case. Powered by the 3817 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-f1172f658a8b]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1967

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