Seiko Cal. 7138 - 328

This Spring Drive model from 1968 features a 39mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-efab45c1e128]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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