Seiko Cal. 3884 - 646

The Seiko 3884-646 represents an important milestone in Seiko's 1968 lineup. Powered by the 3884 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-885f3b48be32]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

Related Models

• Seiko 6232-833
• Seiko 6326-684
• Seiko 6237-301
• Seiko 0797-656
• Seiko 4486-710
• Seiko 7037-175
• Seiko 6293-177
• Seiko 6359-508
• Seiko 4432-819
• Seiko 4454-280
• Seiko 6212-643
• Seiko 6691-665