Seiko Cal. 4438 - 245

The Seiko 4438-245 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6d06c28c5f58]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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