Seiko Cal. 4495 - 921

This Spring Drive model from 1973 features a 39mm Hardlex-Coated Steel case. Powered by the 4495 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-aafadfa50be0]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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