Seiko Cal. 7139 - 864

This Automatic model from 1978 features a 37mm Gold-Plated case. Powered by the 7139 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-888d964a694d]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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