Seiko Cal. 6645 - 507

Released in 1969, the Cal. 6645 with design code 507 was part of Seiko's domestic market collection. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-00b808cc42ab]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1969

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