Seiko Cal. 3827 - 309

The 3827-309 is a sought-after Solar piece from Seiko's golden era. Powered by the 3827 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-85002ec0109f]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1988

Related Models

• Seiko 7013-657
• Seiko 6168-100
• Seiko 7119-206
• Seiko 6272-402
• Seiko 6340-644
• Seiko 3875-873
• Seiko 7093-161
• Seiko 6633-918
• Seiko 5224-260
• Seiko 3878-591
• Seiko 3877-183
• Seiko 4583-372