Seiko Cal. 6671 - 251

Released in 1974, the Cal. 6671 with design code 251 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ec4cb990947c]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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