Seiko Cal. 4434 - 635

The Seiko 4434-635 represents an important milestone in Seiko's 1975 lineup. Powered by the 4434 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b4328f5fffc3]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

Related Models

• Seiko 3852-683
• Seiko 7128-133
• Seiko 7019-456
• Seiko 4510-657
• Seiko 4543-210
• Seiko 7153-778
• Seiko 4441-139
• Seiko 6364-481
• Seiko 6626-340
• Seiko 7038-824
• Seiko 7066-823
• Seiko 6661-714