Seiko Cal. 5635 - 420

Seiko 5635-420

The Seiko 5635-420 represents an important milestone in Seiko's 1999 lineup. Powered by the 5635 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c3bb8e2474c3]

Also known as: Tuna, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1999

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