Seiko Cal. 5657 - 262

The Seiko 5657-262 represents an important milestone in Seiko's 1976 lineup. Powered by the 5657 caliber with 19j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-852b00f593cb]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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