Seiko Cal. 4478 - 401

This Hand-Winding model from 1965 features a 42mm Titanium case. Powered by the 4478 caliber with 35j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-99a5392bf4e4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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