Seiko Cal. 5631 - 662

This Hand-Winding model from 1985 features a 40mm Two-Tone case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9872bb492c29]

Also known as: Panda, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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