Seiko Cal. 3857 - 105

This Hand-Winding model from 1979 features a 44mm Gold-Plated case. Powered by the 3857 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-84037bdb771f]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

Related Models

• Seiko 7146-583
• Seiko 5625-703
• Seiko 6380-622
• Seiko 4430-275
• Seiko 3851-728
• Seiko 3884-210
• Seiko 6174-807
• Seiko 6136-337
• Seiko 0736-138
• Seiko 3852-267
• Seiko 4583-462
• Seiko 5265-544