Seiko Cal. 7163 - 231

The Seiko 7163-231 represents an important milestone in Seiko's 1973 lineup. Powered by the 7163 caliber with 29j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-2c67577aa14f]

Also known as: Monster, Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1973

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