Seiko Cal. 5237 - 920

This Hand-Winding model from 1977 features a 39mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-5701dfdc6389]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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