Seiko Cal. 3859 - 860

The 3859-860 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3859 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-18ca58fdda93]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1995

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