Seiko Cal. 6166 - 870

This Spring Drive model from 1976 features a 43mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-b7c4f8a34c9f]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1976

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