Seiko Cal. 6343 - 857

This Automatic model from 1965 features a 41mm Hardlex-Coated Steel case. Powered by the 6343 caliber with 24j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-e79c1206fae5]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1965

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