Seiko Cal. 7139 - 350

Seiko 7139-350

The 7139-350 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-99440d2d8e16]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
33j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1968

Related Models

seikata-wm-99440d2d8e16