Seiko Cal. 4580 - 637

The Seiko 4580-637 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-b2d241f40c20]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1980

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