Seiko Cal. 6657 - 421

The Seiko 6657-421 represents an important milestone in Seiko's 1992 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-58b2b2227c61]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1992

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