Seiko Cal. 6670 - 596

This Quartz model from 1975 features a 37mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-c3e3095c0eda]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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