Seiko Cal. 6159 - 631

The Seiko 6159-631 represents an important milestone in Seiko's 1966 lineup. Powered by the 6159 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-3978bf3747c8]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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