Seiko Cal. 5657 - 826

Released in 1972, the Cal. 5657 with design code 826 was part of Seiko's domestic market collection. Powered by the 5657 caliber with 26j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-14684387691c]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1972

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