Seiko Cal. 4557 - 570

This Spring Drive model from 1975 features a 38mm Titanium case. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-69dbe11ebff5]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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