Seiko Cal. 3877 - 105

The 3877-105 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3877 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-23e3a24a141f]

Also known as: Monster, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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