Seiko Cal. 5625 - 991

The Seiko 5625-991 represents an important milestone in Seiko's 1967 lineup. Powered by the 5625 caliber with 25j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-5f99c56f2249]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

Related Models

• Seiko 7146-510
• Seiko 6641-719
• Seiko 6632-991
• Seiko 0785-820
• Seiko 6327-865
• Seiko 5242-754
• Seiko 6189-217
• Seiko 6271-674
• Seiko 7034-843
• Seiko 0717-740
• Seiko 6650-904
• Seiko 6139-973