Seiko Cal. 3888 - 551

This Hand-Winding model from 1987 features a 45mm PVD Black case. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-9ac4959ddbef]

Also known as: Monster, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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