Seiko Cal. 6366 - 697

This Hand-Winding model from 1968 features a 39mm Gold-Plated case. Powered by the 6366 caliber with 35j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d0720c29efbb]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

Related Models

• Seiko 5644-391
• Seiko 6698-477
• Seiko 4480-799
• Seiko 5627-850
• Seiko 0785-360
• Seiko 5240-331
• Seiko 7145-383
• Seiko 0730-523
• Seiko 6249-964
• Seiko 6337-719
• Seiko 6692-177
• Seiko 5667-437