Seiko Cal. 5241 - 355

The 5241-355 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-8ec8b10f5c0b]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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