Seiko Cal. 6370 - 813

The Seiko 6370-813 represents an important milestone in Seiko's 1978 lineup. Powered by the 6370 caliber with 35j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e341d11b54a5]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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