Seiko Cal. 4539 - 250

The Seiko 4539-250 represents an important milestone in Seiko's 1991 lineup. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-4b0ae6da8b7b]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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