Seiko Cal. 4456 - 304

This Hand-Winding model from 1970 features a 42mm Two-Tone case. Powered by the 4456 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ff66af4ff058]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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