Seiko Cal. 3866 - 254

The Seiko 3866-254 represents an important milestone in Seiko's 1998 lineup. Powered by the 3866 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-c797ab4ae8b6]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1998

Related Models

• Seiko 6352-238
• Seiko 0793-528
• Seiko 7063-960
• Seiko 6349-987
• Seiko 7011-840
• Seiko 7134-678
• Seiko 6169-627
• Seiko 7097-617
• Seiko 7180-520
• Seiko 6370-587
• Seiko 6215-303
• Seiko 0775-406