Seiko Cal. 5655 - 538

The Seiko 5655-538 represents an important milestone in Seiko's 1991 lineup. Powered by the 5655 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-361466c4320f]

Also known as: Crown, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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