Seiko Cal. 5633 - 674

Seiko 5633-674

The 5633-674 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5633 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-08fde18526a2]

Also known as: Sumo, Flighty

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1977

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seikata-wm-08fde18526a2