Seiko Cal. 4438 - 257

The Seiko 4438-257 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-29407264eb6a]

Also known as: Turtle, Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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