Seiko Cal. 3847 - 722

This Hand-Winding model from 1985 features a 42mm Hardlex-Coated Steel case. Powered by the 3847 caliber with 36j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0cc3db92ed52]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1985

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