Seiko Cal. 5637 - 525

Seiko 5637-525

The 5637-525 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5637 caliber with 27j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-80d959236430]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1983

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seikata-wm-80d959236430