Seiko Cal. 6686 - 412

This Spring Drive model from 1971 features a 37mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-5a98d94d03b3]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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