Seiko Cal. 4454 - 336

This Spring Drive model from 1990 features a 40mm PVD Black case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-203bb9c20981]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1990

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