Seiko Cal. 7158 - 441

The Seiko 7158-441 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-da3a5d210a12]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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