Seiko Cal. 6678 - 139

Seiko 6678-139

The 6678-139 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-29a5b09a1fd0]

Also known as: Tuna, UFO

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1966

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