Seiko Cal. 4542 - 831

Seiko 4542-831

The Seiko 4542-831 represents an important milestone in Seiko's 1989 lineup. Powered by the 4542 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3391c98be46e]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1989

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