Seiko Cal. 5633 - 921

This Quartz model from 1996 features a 36mm PVD Black case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-ad5165f50e6a]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1996

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