Seiko Cal. 4537 - 703

The Seiko 4537-703 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9dfded04f394]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1982

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