Seiko Cal. 4542 - 381

The Seiko 4542-381 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-e18915b376fe]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1997

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