Seiko Cal. 4455 - 256

The Seiko 4455-256 represents an important milestone in Seiko's 1966 lineup. Powered by the 4455 caliber with 32j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-0c5133b6083d]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1966

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