Seiko Cal. 6157 - 378

The 6157-378 is a sought-after Solar piece from Seiko's golden era. Powered by the 6157 caliber with 29j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-cd5581b59ff8]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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