Seiko Cal. 4537 - 836

Released in 1988, the Cal. 4537 with design code 836 was part of Seiko's domestic market collection. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-b585a9ef6ff3]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1988

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