Seiko Cal. 6684 - 173

This Spring Drive model from 1968 features a 41mm Stainless Steel case. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-2d355bd96e37]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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