Seiko Cal. 5278 - 363

The Seiko 5278-363 represents an important milestone in Seiko's 1967 lineup. Powered by the 5278 caliber with 22j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-5fa898495dae]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1967

Related Models

• Seiko 6299-673
• Seiko 5230-705
• Seiko 4440-385
• Seiko 0773-416
• Seiko 6239-876
• Seiko 6171-714
• Seiko 7089-619
• Seiko 5689-990
• Seiko 5273-482
• Seiko 5627-785
• Seiko 6622-391
• Seiko 5230-627