Seiko Cal. 4540 - 277

The Seiko 4540-277 represents an important milestone in Seiko's 1995 lineup. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-9fc4febe8745]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1995

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