Seiko Cal. 6613 - 394

Seiko 6613-394

The 6613-394 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-d3b45c156cdb]

Also known as: Tuna, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
31j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1978

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