Seiko Cal. 3862 - 723

The Seiko 3862-723 represents an important milestone in Seiko's 1981 lineup. Powered by the 3862 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-270632d76196]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

Related Models

• Seiko 5644-739
• Seiko 4430-578
• Seiko 4562-451
• Seiko 4449-551
• Seiko 7092-754
• Seiko 4418-664
• Seiko 6276-606
• Seiko 6329-753
• Seiko 3882-223
• Seiko 5276-600
• Seiko 6359-208
• Seiko 7130-174