Seiko Cal. 6674 - 407

The 6674-407 is a sought-after Solar piece from Seiko's golden era. Powered by the 6674 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-925673a08a00]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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