Seiko Cal. 6677 - 251

The Seiko 6677-251 represents an important milestone in Seiko's 1994 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-9c408cba9f69]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1994

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