Seiko Cal. 4461 - 746

This Hand-Winding model from 1980 features a 39mm Titanium case. Powered by the 4461 caliber with 18j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-6063e6c4de3d]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1980

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