Seiko Cal. 4448 - 284

This Hand-Winding model from 1978 features a 42mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-7e3ee2194064]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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