Seiko Cal. 5639 - 430

The 5639-430 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6624a10fc7fd]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

Related Models

• Seiko 6239-783
• Seiko 5272-997
• Seiko 5254-345
• Seiko 5641-872
• Seiko 7031-423
• Seiko 0724-162
• Seiko 6378-187
• Seiko 6667-370
• Seiko 3886-398
• Seiko 5279-801
• Seiko 6252-587
• Seiko 4590-865