Seiko Cal. 4448 - 209

This Spring Drive model from 1987 features a 40mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-390d736d924a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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