Seiko Cal. 6658 - 630

The 6658-630 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-19ed3bfaa250]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1994

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