Seiko Cal. 7139 - 337

This Solar model from 1998 features a 38mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6afce56f12a4]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1998

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