Seiko Cal. 3872 - 739

This Quartz model from 1991 features a 38mm Hardlex-Coated Steel case. Powered by the 3872 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-76d830dec7c8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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