Seiko Cal. 4438 - 259

The 4438-259 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-0dc4de8d7572]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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