Seiko Cal. 7154 - 109

The Seiko 7154-109 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-96e7a93403ba]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1969

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