Seiko Cal. 4538 - 731

The Seiko 4538-731 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-2e641ad014fd]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1984

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