Seiko Cal. 6243 - 677

The Seiko 6243-677 represents an important milestone in Seiko's 1984 lineup. Powered by the 6243 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-f989487b8324]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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