Seiko Cal. 3851 - 568

This Quartz model from 1999 features a 37mm PVD Black case. Powered by the 3851 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d34cdd5a4c5d]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1999

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