Seiko Cal. 4436 - 640

This Solar model from 1998 features a 45mm PVD Black case. Powered by the 4436 caliber with 32j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f30b2823536c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1998

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