Seiko Cal. 4538 - 831

Released in 1972, the Cal. 4538 with design code 831 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-deb798e9fcbc]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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