Seiko Cal. 6139 - 746

Seiko 6139-746

The 6139-746 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-66d19f2e6152]

Also known as: Monster, Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1978

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