Seiko Cal. 7157 - 198

The 7157-198 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7157 caliber with 24j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-971104e25e4c]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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