Seiko Cal. 6241 - 387

The Seiko 6241-387 represents an important milestone in Seiko's 1976 lineup. Powered by the 6241 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d7d7d780e44c]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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