Seiko Cal. 6671 - 658

This Spring Drive model from 1986 features a 43mm Two-Tone case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-ea5592c6e61f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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