Seiko Cal. 6644 - 373

This Spring Drive model from 1992 features a 41mm Two-Tone case. Powered by the 6644 caliber with 36j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-9a297a454b27]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1992

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