Seiko Cal. 7131 - 963

The Seiko 7131-963 represents an important milestone in Seiko's 1978 lineup. Powered by the 7131 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-a3932dccc569]

Also known as: Turtle, Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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