Seiko Cal. 6131 - 487

This Automatic model from 1968 features a 36mm Gold-Plated case. Powered by the 6131 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-9eecd13240c7]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

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