Seiko Cal. 3899 - 534

This Automatic model from 1991 features a 37mm Hardlex-Coated Steel case. Powered by the 3899 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4b9ec2299571]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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