Seiko Cal. 5636 - 801

This Spring Drive model from 1988 features a 44mm PVD Black case. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-8d0439c62c40]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

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