Seiko Cal. 6674 - 638

The 6674-638 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-2afd5e3000ac]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1982

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