Seiko Cal. 7181 - 514

Seiko 7181-514

The 7181-514 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7181 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-5c884c2b80b8]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1966

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