Seiko Cal. 6157 - 721

The 6157-721 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6157 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-7956debb8774]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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