Seiko Cal. 5623 - 764

Released in 1980, the Cal. 5623 with design code 764 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-ebb365a3e500]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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