Seiko Cal. 6243 - 415

The Seiko 6243-415 represents an important milestone in Seiko's 1974 lineup. Powered by the 6243 caliber with 33j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-4717ba38e5d3]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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