Seiko Cal. 4553 - 620

The Seiko 4553-620 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-b20a67f7fb71]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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