Seiko Cal. 6645 - 508

Released in 1969, the Cal. 6645 with design code 508 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-a3ab4fb5f386]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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