Seiko Cal. 5683 - 646

Seiko 5683-646

The 5683-646 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5683 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-7ceb145691de]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
190m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1988

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seikata-wm-7ceb145691de