Seiko Cal. 6634 - 785

The Seiko 6634-785 represents an important milestone in Seiko's 1997 lineup. Powered by the 6634 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-69f6314d8bcd]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1997

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