Seiko Cal. 6639 - 572

This Spring Drive model from 1998 features a 46mm PVD Black case. Powered by the 6639 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-dab6318e6d96]

Also known as: Turtle, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1998

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