Seiko Cal. 6677 - 402

The Seiko 6677-402 represents an important milestone in Seiko's 1998 lineup. Powered by the 6677 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-94db284337e8]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1998

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