Seiko Cal. 4438 - 452

The 4438-452 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4438 caliber with 27j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-56c843af65c8]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

Related Models

• Seiko 5629-424
• Seiko 0776-811
• Seiko 4576-761
• Seiko 6675-216
• Seiko 7162-126
• Seiko 6255-136
• Seiko 0738-860
• Seiko 4481-103
• Seiko 5242-512
• Seiko 0765-540
• Seiko 3891-677
• Seiko 4514-782