Seiko Cal. 5238 - 722

This Spring Drive model from 1991 features a 37mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f701e52a0c00]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1991

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