Seiko Cal. 5623 - 439

The Seiko 5623-439 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9250d4051264]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1969

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