Seiko Cal. 4439 - 830

The 4439-830 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-67357f75772c]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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