Seiko Cal. 5639 - 908

The 5639-908 is a sought-after Solar piece from Seiko's golden era. Powered by the 5639 caliber with 34j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-779315de1f21]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

Related Models

• Seiko 0734-312
• Seiko 4427-550
• Seiko 6623-318
• Seiko 4561-118
• Seiko 5647-492
• Seiko 5682-162
• Seiko 6243-980
• Seiko 4476-424
• Seiko 4563-857
• Seiko 5636-692
• Seiko 6654-796
• Seiko 6376-909