Seiko Cal. 4537 - 561

The 4537-561 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-aa90efc87609]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

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