Seiko Cal. 6373 - 390

This Hand-Winding model from 1978 features a 41mm Titanium case. Powered by the 6373 caliber with 23j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-2051d1681251]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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