Seiko Cal. 5671 - 528

This Hand-Winding model from 1990 features a 40mm Two-Tone case. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-0ff0953adb93]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1990

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