Seiko Cal. 5239 - 437

This Hand-Winding model from 1980 features a 44mm Gold-Plated case. Powered by the 5239 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-7f185288e33e]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1980

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