Seiko Cal. 6347 - 825

The Seiko 6347-825 represents an important milestone in Seiko's 1972 lineup. Powered by the 6347 caliber with 25j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-29c4f9d7e36b]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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