Seiko Cal. 7130 - 423

Seiko 7130-423

The 7130-423 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a1542fa9232c]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1965

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seikata-wm-a1542fa9232c