Seiko Cal. 7139 - 230

The Seiko 7139-230 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-c0aa01373816]

Also known as: Samurai, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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