Seiko Cal. 3815 - 931

This Kinetic model from 1978 features a 46mm Gold-Plated case. Powered by the 3815 caliber with 33j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-eb592c7e933b]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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