Seiko Cal. 0787 - 421

The Seiko 0787-421 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-d94c378a091e]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1983

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