Seiko Cal. 6681 - 187

The Seiko 6681-187 represents an important milestone in Seiko's 1974 lineup. Powered by the 6681 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-869f1251124a]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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