Seiko Cal. 5237 - 183

The Seiko 5237-183 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-83f13c30948a]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1991

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