Seiko Cal. 0731 - 554

This Hand-Winding model from 1974 features a 40mm Two-Tone case. Powered by the 0731 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-cf63b71c7560]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

Related Models

• Seiko 6128-538
• Seiko 6396-997
• Seiko 6329-455
• Seiko 3862-852
• Seiko 0768-267
• Seiko 7033-579
• Seiko 6114-225
• Seiko 5254-638
• Seiko 6385-999
• Seiko 7123-282
• Seiko 6693-482
• Seiko 5612-868