Seiko Cal. 6343 - 203

The 6343-203 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6343 caliber with 32j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-6bedc9b0bbaf]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

Related Models

• Seiko 6242-781
• Seiko 4450-857
• Seiko 6271-405
• Seiko 6221-563
• Seiko 7067-229
• Seiko 4440-921
• Seiko 6675-167
• Seiko 6153-926
• Seiko 4576-496
• Seiko 7143-265
• Seiko 7114-573
• Seiko 3880-698