Seiko Cal. 3890 - 837

The 3890-837 is a sought-after Solar piece from Seiko's golden era. Powered by the 3890 caliber with 23j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-7c4fe6c50d98]

Also known as: Turtle, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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