Seiko Cal. 6139 - 186

Seiko 6139-186

This Automatic model from 1990 features a 34mm Two-Tone case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8e444b47bc21]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
26j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1990

Related Models

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