Seiko Cal. 6687 - 367

Released in 1976, the Cal. 6687 with design code 367 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-51cfc386dbeb]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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