Seiko Cal. 4557 - 237

Released in 1969, the Cal. 4557 with design code 237 was part of Seiko's domestic market collection. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ec655804bf60]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1969

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