Seiko Cal. 3860 - 155

The 3860-155 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3860 caliber with 23j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-53f1e153e891]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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