Seiko Cal. 3855 - 978

The Seiko 3855-978 represents an important milestone in Seiko's 1986 lineup. Powered by the 3855 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-0280f1bce093]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1986

Related Models

• Seiko 5673-500
• Seiko 3873-636
• Seiko 3837-702
• Seiko 6643-849
• Seiko 5688-225
• Seiko 4569-382
• Seiko 4451-301
• Seiko 6231-480
• Seiko 6245-833
• Seiko 4534-638
• Seiko 4415-649
• Seiko 4519-882