Seiko Cal. 6645 - 336

Released in 1989, the Cal. 6645 with design code 336 was part of Seiko's domestic market collection. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-bf13b1122b24]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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