Seiko Cal. 6686 - 348

This Automatic model from 1975 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-1fe9f8204059]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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