Seiko Cal. 3821 - 239

The 3821-239 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3821 caliber with 32j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-84a8d03d70cc]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

Related Models

• Seiko 7175-585
• Seiko 6623-667
• Seiko 7166-109
• Seiko 6141-367
• Seiko 6681-602
• Seiko 7148-119
• Seiko 4464-169
• Seiko 4498-753
• Seiko 6137-576
• Seiko 5646-891
• Seiko 5683-253
• Seiko 5617-195