Seiko Cal. 5671 - 366

This Hand-Winding model from 1978 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-decea658da89]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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