Seiko Cal. 6635 - 253

This Hand-Winding model from 1984 features a 35mm PVD Black case. Powered by the 6635 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-8cf015bee393]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

Related Models

• Seiko 6322-404
• Seiko 5249-205
• Seiko 5693-139
• Seiko 5668-686
• Seiko 6642-820
• Seiko 6367-104
• Seiko 5636-222
• Seiko 5245-272
• Seiko 6251-124
• Seiko 5239-111
• Seiko 5281-594
• Seiko 7162-539