Seiko Cal. 3861 - 578

The 3861-578 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3861 caliber with 33j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-3235a8f655af]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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