Seiko Cal. 4437 - 611

The 4437-611 is a sought-after Solar piece from Seiko's golden era. Powered by the 4437 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-fbeb49a53191]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1980

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