Seiko Cal. 6644 - 609

The Seiko 6644-609 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2b9cd514bc15]

Also known as: Panda, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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