Seiko Cal. 6687 - 813

Released in 1983, the Cal. 6687 with design code 813 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-def7b4bef7af]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1983

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