Seiko Cal. 4538 - 997

The Seiko 4538-997 represents an important milestone in Seiko's 1986 lineup. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-7d9acfc8b1a3]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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