Seiko Cal. 6166 - 178

This Spring Drive model from 1981 features a 37mm Two-Tone case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-8cf5f5359243]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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