Seiko Cal. 7138 - 513

The 7138-513 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-3c3945ab49bb]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1967

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