Seiko Cal. 4538 - 438

The Seiko 4538-438 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-04c0150fc750]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1991

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