Seiko Cal. 5254 - 647

The Seiko 5254-647 represents an important milestone in Seiko's 1971 lineup. Powered by the 5254 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-eb6eedc68769]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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