Seiko Cal. 5635 - 401

Seiko 5635-401

The 5635-401 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5635 caliber with 22j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-89ba5f4b09c8]

Also known as: Turtle, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1971

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