Seiko Cal. 4447 - 176

This Hand-Winding model from 1970 features a 39mm Gold-Plated case. Powered by the 4447 caliber with 23j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3f8b20a05c44]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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