Seiko Cal. 3891 - 669

The 3891-669 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9588531c819d]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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