Seiko Cal. 5639 - 594

The 5639-594 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5639 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-afca5cf303d4]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1986

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