Seiko Cal. 6670 - 688

The Seiko 6670-688 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-874ac398803f]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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