Seiko Cal. 6310 - 981

This Quartz model from 1997 features a 42mm Hardlex-Coated Steel case. Powered by the 6310 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-37aba2aff7e6]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1997

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