Seiko Cal. 6370 - 656

Released in 1979, the Cal. 6370 with design code 656 was part of Seiko's domestic market collection. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-45ed3dff5c93]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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