Seiko Cal. 4456 - 641

The 4456-641 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-7096926ce3bf]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1993

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