Seiko Cal. 4438 - 248

The Seiko 4438-248 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dab57d6235bc]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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