Seiko Cal. 6157 - 697

This Quartz model from 1972 features a 42mm Hardlex-Coated Steel case. Powered by the 6157 caliber with 32j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2cd43f1456b3]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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