Seiko Cal. 3890 - 255

The 3890-255 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3890 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-300bbb90d98f]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1996

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