Seiko Cal. 4438 - 412

The Seiko 4438-412 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-c34cb6b458f4]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1975

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