Seiko Cal. 6680 - 380

This Spring Drive model from 1986 features a 46mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-1150477a2fd9]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1986

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