Seiko Cal. 5630 - 373

Seiko 5630-373

The 5630-373 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5630 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-9113f1c06629]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1967

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seikata-wm-9113f1c06629