Seiko Cal. 3864 - 390

The 3864-390 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fdc6fe4e6046]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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