Seiko Cal. 0720 - 147

Seiko 0720-147

The 0720-147 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0720 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b67b3e025235]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1977

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seikata-wm-b67b3e025235