Seiko Cal. 0748 - 509

Seiko 0748-509

The 0748-509 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0748 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-7a721ff20dc6]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1992

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seikata-wm-7a721ff20dc6