Seiko Cal. 4539 - 485

The Seiko 4539-485 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-9d1ce2192cf3]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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