Seiko Cal. 6343 - 463

The 6343-463 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6343 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ccc4bb2776f5]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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