Seiko Cal. 6686 - 977

The Seiko 6686-977 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-a9d013ca9d53]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1985

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