Seiko Cal. 6139 - 371

Seiko 6139-371

This Hand-Winding model from 1973 features a 42mm Stainless Steel case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1d25459ec44c]

Also known as: Helmet, Navigator

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1973

Related Models

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