Seiko Cal. 4537 - 843

Released in 1970, the Cal. 4537 with design code 843 was part of Seiko's domestic market collection. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f988bd7df634]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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