Seiko Cal. 3844 - 900

This Spring Drive model from 1990 features a 44mm Titanium case. Powered by the 3844 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-2f768b12f80b]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1990

Related Models

• Seiko 6671-646
• Seiko 6694-156
• Seiko 4493-874
• Seiko 6179-636
• Seiko 6632-864
• Seiko 7014-548
• Seiko 7134-973
• Seiko 7132-540
• Seiko 3858-305
• Seiko 7140-433
• Seiko 0762-577
• Seiko 6329-159