Seiko Cal. 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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