Seiko Cal. 6343 - 245

The Seiko 6343-245 represents an important milestone in Seiko's 1968 lineup. Powered by the 6343 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-31e33f8244b4]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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