Seiko Cal. 7157 - 340

The 7157-340 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7157 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-f1b21366b131]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1986

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