Seiko Cal. 6687 - 993

The Seiko 6687-993 represents an important milestone in Seiko's 1972 lineup. Powered by the 6687 caliber with 17j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-73eb4203bc59]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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