Seiko Cal. 4555 - 311

The Seiko 4555-311 represents an important milestone in Seiko's 1971 lineup. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-4250dd315cd3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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