Seiko Cal. 7178 - 939

The Seiko 7178-939 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c4b15e0d34f9]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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