Seiko Cal. 4537 - 580

This Hand-Winding model from 1992 features a 40mm Two-Tone case. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-b606ea7bda39]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1992

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