Seiko Cal. 3881 - 781

The Seiko 3881-781 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-beeb3319590a]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

Related Models

• Seiko 5663-560
• Seiko 6121-594
• Seiko 6626-546
• Seiko 6361-276
• Seiko 5297-593
• Seiko 0716-609
• Seiko 0713-382
• Seiko 3810-936
• Seiko 6335-862
• Seiko 4492-692
• Seiko 6187-491
• Seiko 7067-964