Seiko Cal. 7115 - 603

Seiko 7115-603

The 7115-603 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7115 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1da8ab733050]

Also known as: Tuna, World Timer

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1978

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seikata-wm-1da8ab733050