Seiko Cal. 4437 - 642

The Seiko 4437-642 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-571125c45b1e]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1994

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