Seiko Cal. 7139 - 755

The 7139-755 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-4a01db571d62]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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