Seiko Cal. 6640 - 421

This Quartz model from 1996 features a 34mm Two-Tone case. Powered by the 6640 caliber with 18j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-82dd4e24c365]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1996

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