Seiko Cal. 6634 - 897

The Seiko 6634-897 represents an important milestone in Seiko's 1988 lineup. Powered by the 6634 caliber with 17j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-36a951a27f60]

Also known as: Panda, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 0732-227
• Seiko 0736-766
• Seiko 0747-712
• Seiko 6696-230
• Seiko 4520-417
• Seiko 4528-777
• Seiko 5658-398
• Seiko 4472-565
• Seiko 7131-177
• Seiko 3834-890
• Seiko 0739-231
• Seiko 6610-768