Seiko Cal. 6310 - 641

This Spring Drive model from 1965 features a 43mm Titanium case. Powered by the 6310 caliber with 19j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-58a4fc6899f5]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

Related Models

• Seiko 4469-548
• Seiko 5667-311
• Seiko 6399-914
• Seiko 4564-563
• Seiko 6120-695
• Seiko 3855-785
• Seiko 0753-236
• Seiko 6688-856
• Seiko 4483-439
• Seiko 6274-979
• Seiko 7052-978
• Seiko 3851-924