Seiko Cal. 3881 - 856

The Seiko 3881-856 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-861c88de0ecd]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1989

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