Seiko Cal. 6366 - 429

The 6366-429 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-e8bbfd06c44a]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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