Seiko Cal. 6630 - 187

This Spring Drive model from 1994 features a 35mm Titanium case. Powered by the 6630 caliber with 24j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-414fbb9a485e]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1994

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