Seiko Cal. 3871 - 828

This Automatic model from 1994 features a 36mm Hardlex-Coated Steel case. Powered by the 3871 caliber with 22j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-71d9cbefa75b]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1994

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