Seiko Cal. 6375 - 278

This Hand-Winding model from 1968 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-68b47fff41b4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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