Seiko Cal. 3877 - 600

The Seiko 3877-600 represents an important milestone in Seiko's 1985 lineup. Powered by the 3877 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-eda3d8a81f2e]

Also known as: Tuna, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1985

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