Seiko Cal. 5657 - 434

The Seiko 5657-434 represents an important milestone in Seiko's 1991 lineup. Powered by the 5657 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-174c88f01247]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1991

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