Seiko Cal. 6373 - 522

The 6373-522 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6373 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ba0280fecba3]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1988

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