Seiko Cal. 5646 - 349

The 5646-349 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-20ca927d2770]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1993

Related Models

• Seiko 4554-729
• Seiko 4564-698
• Seiko 3823-716
• Seiko 6611-412
• Seiko 4439-232
• Seiko 6160-153
• Seiko 7121-489
• Seiko 6295-492
• Seiko 4481-945
• Seiko 6340-240
• Seiko 6181-248
• Seiko 5262-500