Seiko Cal. 3877 - 506

The Seiko 3877-506 represents an important milestone in Seiko's 1967 lineup. Powered by the 3877 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-865d4cf11e5c]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1967

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