Seiko Cal. 4552 - 423

The Seiko 4552-423 represents an important milestone in Seiko's 1975 lineup. Powered by the 4552 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-016988798c85]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1975

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