Seiko Cal. 3890 - 786

Released in 1975, the Cal. 3890 with design code 786 was part of Seiko's domestic market collection. Powered by the 3890 caliber with 29j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-660e73662aff]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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