Seiko Cal. 3877 - 657

The Seiko 3877-657 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6b02f427f5bc]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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