Seiko Cal. 6645 - 756

Released in 1975, the Cal. 6645 with design code 756 was part of Seiko's domestic market collection. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8fe6ecffa737]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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