Seiko Cal. 4417 - 644

The Seiko 4417-644 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-eb0fceb90a2d]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

Related Models

• Seiko 7190-853
• Seiko 6253-118
• Seiko 4422-593
• Seiko 6124-992
• Seiko 3875-324
• Seiko 6342-332
• Seiko 5237-407
• Seiko 4446-320
• Seiko 5681-652
• Seiko 7068-495
• Seiko 6343-753
• Seiko 6134-479