Seiko Cal. 5631 - 786

The Seiko 5631-786 represents an important milestone in Seiko's 1988 lineup. Powered by the 5631 caliber with 27j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-50cefdd0a9e8]

Also known as: Panda, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1988

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