Seiko Cal. 3861 - 780

The 3861-780 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3861 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-ccace11d503f]

Also known as: Tuna, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1997

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