Seiko Cal. 6658 - 220

The Seiko 6658-220 represents an important milestone in Seiko's 1976 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-3b034a35d102]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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