Seiko Cal. 3851 - 521

This Spring Drive model from 1999 features a 37mm Gold-Plated case. Powered by the 3851 caliber with 34j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-568b99214436]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1999

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