Seiko Cal. 4439 - 550

The Seiko 4439-550 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-b146fd503409]

Also known as: Navigator, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1965

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