Seiko Cal. 4538 - 370

This Spring Drive model from 1981 features a 44mm PVD Black case. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-58a9fc42c444]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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