Seiko Cal. 6375 - 313

Released in 1981, the Cal. 6375 with design code 313 was part of Seiko's domestic market collection. Powered by the 6375 caliber with 23j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-8e54dc5ed692]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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