Seiko Cal. 7133 - 540

Seiko 7133-540

The 7133-540 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7133 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c4a911059c1b]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1995

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