Seiko Cal. 6375 - 573

This Hand-Winding model from 1976 features a 44mm Titanium case. Powered by the 6375 caliber with 35j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a4658f636714]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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