Seiko Cal. 3899 - 720

The 3899-720 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-a48d3a3df1cb]

Also known as: Rally, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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