Seiko Cal. 4537 - 230

Released in 1987, the Cal. 4537 with design code 230 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-97027370564e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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