Seiko Cal. 6241 - 858

The 6241-858 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6241 caliber with 21j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ef87b714df3c]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

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