Seiko Cal. 7158 - 437

The Seiko 7158-437 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-58d9ec3fda43]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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