Seiko Cal. 4546 - 107

Seiko 4546-107

The 4546-107 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4546 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-bce874da2b23]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1984

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