Seiko Cal. 5632 - 551

This Hand-Winding model from 1992 features a 37mm Stainless Steel case. Powered by the 5632 caliber with 29j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b5bb5d677a72]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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