Seiko Cal. 6354 - 393

The Seiko 6354-393 represents an important milestone in Seiko's 1971 lineup. Powered by the 6354 caliber with 23j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-61d3b6812648]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1971

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