Seiko Cal. 6391 - 242

Released in 1968, the Cal. 6391 with design code 242 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-0acf16864cf3]

Also known as: Panda, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

Related Models

• Seiko 6659-486
• Seiko 6272-605
• Seiko 3862-887
• Seiko 4484-868
• Seiko 6350-369
• Seiko 4472-339
• Seiko 7165-821
• Seiko 7188-321
• Seiko 7098-725
• Seiko 6233-522
• Seiko 6115-811
• Seiko 6232-897