Seiko Cal. 4438 - 684

The 4438-684 is a sought-after Solar piece from Seiko's golden era. Powered by the 4438 caliber with 22j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-61c3476a037e]

Also known as: Rally, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

Related Models

• Seiko 6681-118
• Seiko 4517-867
• Seiko 7037-251
• Seiko 6211-937
• Seiko 3853-632
• Seiko 4489-793
• Seiko 7111-287
• Seiko 4549-523
• Seiko 3896-291
• Seiko 4594-206
• Seiko 6325-661
• Seiko 5281-490