Seiko Cal. 6613 - 681

Seiko 6613-681

The 6613-681 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-65a1a3fb625d]

Also known as: Pogue, Helmet

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1989

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