Seiko Cal. 4425 - 637

This Solar model from 1987 features a 40mm PVD Black case. Powered by the 4425 caliber with 24j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-de58e5953943]

Also known as: Turtle, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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