Seiko Cal. 6373 - 604

This Hand-Winding model from 1993 features a 44mm Two-Tone case. Powered by the 6373 caliber with 18j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-2391e84b9ae7]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1993

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