Seiko Cal. 4540 - 648

The Seiko 4540-648 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-b964194b389d]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

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