Seiko Cal. 3871 - 481

The Seiko 3871-481 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-522768848fba]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1999

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