Seiko Cal. 6390 - 281

Released in 1966, the Cal. 6390 with design code 281 was part of Seiko's domestic market collection. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-410ac3cb8d33]

Also known as: Panda, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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