Seiko Cal. 6637 - 705

This Hand-Winding model from 1987 features a 41mm Gold-Plated case. Powered by the 6637 caliber with 22j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d94c12f78f69]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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