Seiko Cal. 3866 - 400

Released in 1976, the Cal. 3866 with design code 400 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-7fc6cfb78591]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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