Seiko Cal. 5278 - 512

The Seiko 5278-512 represents an important milestone in Seiko's 1977 lineup. Powered by the 5278 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-93d2ec1c2858]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 5694-347
• Seiko 7171-584
• Seiko 4478-878
• Seiko 4435-992
• Seiko 5671-935
• Seiko 5247-741
• Seiko 0797-746
• Seiko 4575-237
• Seiko 6138-583
• Seiko 7110-930
• Seiko 6345-225
• Seiko 7080-619