Seiko Cal. 7133 - 318

Seiko 7133-318

The 7133-318 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-865fb3a0698e]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1994

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