Seiko Cal. 7138 - 454

The 7138-454 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-ee2485e6644b]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1976

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