Seiko Cal. 3865 - 166

This Spring Drive model from 1975 features a 34mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-5069d6c31641]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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