Seiko Cal. 5663 - 365

This Hand-Winding model from 1985 features a 45mm Hardlex-Coated Steel case. Powered by the 5663 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-78ac868bd537]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1985

Related Models

• Seiko 5696-650
• Seiko 5271-507
• Seiko 6115-522
• Seiko 4563-261
• Seiko 7163-423
• Seiko 6199-108
• Seiko 3894-132
• Seiko 6116-835
• Seiko 4547-570
• Seiko 4479-832
• Seiko 6634-525
• Seiko 5247-711