Seiko Cal. 6644 - 550

This Hand-Winding model from 1986 features a 41mm Two-Tone case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-01c88e4544d4]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1986

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