Seiko Cal. 6120 - 139

Seiko 6120-139

This Automatic model from 1985 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-de83f6925e1c]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1985

Related Models

seikata-wm-de83f6925e1c