Seiko Cal. 0725 - 613

Seiko 0725-613

The 0725-613 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0725 caliber with 27j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-b6db75d2fe3a]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
15.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1973

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