Seiko Cal. 7138 - 713

The Seiko 7138-713 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-111f378c4808]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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