Seiko Cal. 7138 - 509

The Seiko 7138-509 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7f9069f5494d]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

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