Seiko Cal. 5637 - 542

This Hand-Winding model from 1973 features a 44mm Gold-Plated case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-b025334c4079]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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