Seiko Cal. 3890 - 790

The 3890-790 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3890 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-11a2f4be0fd1]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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