Seiko Cal. 5656 - 931

The Seiko 5656-931 represents an important milestone in Seiko's 1989 lineup. Powered by the 5656 caliber with 24j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-d20334b5753e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1989

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