Seiko Cal. 3890 - 997

Seiko 3890-997

The 3890-997 is a sought-after Solar piece from Seiko's golden era. Powered by the 3890 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-f24d3c837381]

Also known as: Turtle, Sumo

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
15.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1988

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seikata-wm-f24d3c837381