Seiko Cal. 6643 - 375

This Hand-Winding model from 1975 features a 44mm Titanium case. Powered by the 6643 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-ea82a4858034]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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