Seiko Cal. 3891 - 133

The 3891-133 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-185cf7fcd00d]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1987

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