Seiko Cal. 4539 - 728

Released in 1995, the Cal. 4539 with design code 728 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-270f58270b85]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1995

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