Seiko Cal. 6673 - 391

The Seiko 6673-391 represents an important milestone in Seiko's 1986 lineup. Powered by the 6673 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-8f722ba717c3]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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