Seiko Cal. 4437 - 542

This Hand-Winding model from 1984 features a 36mm Gold-Plated case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-b43e328e330b]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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