Seiko Cal. 5661 - 846

This Spring Drive model from 1998 features a 34mm Hardlex-Coated Steel case. With its 21mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-02c39079eacb]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1998

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