Seiko Cal. 4438 - 758

The Seiko 4438-758 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8781daea2295]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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