Seiko Cal. 5646 - 837

The Seiko 5646-837 represents an important milestone in Seiko's 1991 lineup. Powered by the 5646 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-8f8cd7ced815]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

Related Models

• Seiko 6682-341
• Seiko 6327-486
• Seiko 6697-237
• Seiko 6170-495
• Seiko 7172-714
• Seiko 6393-433
• Seiko 6699-725
• Seiko 7095-958
• Seiko 0729-989
• Seiko 5657-856
• Seiko 3834-725
• Seiko 0753-765