Seiko Cal. 5646 - 613

The 5646-613 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-bc693ea9635b]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1973

Related Models

• Seiko 6266-392
• Seiko 6614-631
• Seiko 6330-149
• Seiko 6331-907
• Seiko 6250-455
• Seiko 7020-390
• Seiko 6122-998
• Seiko 7031-818
• Seiko 6140-388
• Seiko 6638-557
• Seiko 6124-404
• Seiko 7091-489