Seiko Cal. 3894 - 656

Released in 1971, the Cal. 3894 with design code 656 was part of Seiko's domestic market collection. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-18e8b4fc8ee3]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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