Seiko Cal. 5642 - 157

The 5642-157 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5642 caliber with 26j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-fa562032789e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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