Seiko Cal. 6687 - 121

The Seiko 6687-121 represents an important milestone in Seiko's 1974 lineup. Powered by the 6687 caliber with 26j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-5781ec32e283]

Also known as: Shogun, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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