Seiko Cal. 6687 - 364

The Seiko 6687-364 represents an important milestone in Seiko's 1995 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-8469c0a879cb]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1995

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