Seiko Cal. 7138 - 674

The Seiko 7138-674 represents an important milestone in Seiko's 1984 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-485e50ff6037]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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