Seiko Cal. 7133 - 613

Seiko 7133-613

The 7133-613 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7133 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-8a38f33770d2]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1991

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