Seiko Cal. 7139 - 190

Seiko 7139-190

The 7139-190 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c030bcb87ba2]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1994

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