Seiko Cal. 6157 - 275

The Seiko 6157-275 represents an important milestone in Seiko's 1967 lineup. Powered by the 6157 caliber with 23j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-502c805d23ad]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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