Seiko Cal. 4537 - 357

Released in 1971, the Cal. 4537 with design code 357 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a43bfde4fbcc]

Also known as: Turtle, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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