Seiko Cal. 7139 - 613

Seiko 7139-613

The 7139-613 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-3ac8a6732bb9]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
20j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1992

Related Models

seikata-wm-3ac8a6732bb9