Seiko Cal. 3873 - 866

The Seiko 3873-866 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-7b13dacc3618]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1991

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