Seiko Cal. 7157 - 206

The 7157-206 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7157 caliber with 30j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-65dded260d16]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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