Seiko Cal. 5641 - 554

The Seiko 5641-554 represents an important milestone in Seiko's 1988 lineup. Powered by the 5641 caliber with 34j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-44f05bf2e35f]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1988

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