Seiko Cal. 6645 - 462

The 6645-462 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-da1ececa6c4f]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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