Seiko Cal. 3886 - 528

This Quartz model from 1971 features a 39mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-51b6ac88ec91]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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