Seiko Cal. 4475 - 421

This Spring Drive model from 1995 features a 46mm Hardlex-Coated Steel case. Powered by the 4475 caliber with 24j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-5eb4ee8750d7]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1995

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