Seiko Cal. 4438 - 409

The Seiko 4438-409 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-dec03cf630e5]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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