Seiko Cal. 3837 - 873

This Spring Drive model from 1981 features a 40mm Hardlex-Coated Steel case. Powered by the 3837 caliber with 33j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-518fd7c118d4]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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