Seiko Cal. 3878 - 361

This Spring Drive model from 1998 features a 43mm Gold-Plated case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-2523685b8301]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1998

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