Seiko Cal. 3851 - 203

This Spring Drive model from 1991 features a 39mm Titanium case. Powered by the 3851 caliber with 30j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-eab20a2df4ae]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1991

Related Models

• Seiko 6624-191
• Seiko 6635-275
• Seiko 6146-107
• Seiko 4518-988
• Seiko 5657-506
• Seiko 6631-594
• Seiko 6379-116
• Seiko 0781-379
• Seiko 6395-709
• Seiko 7111-438
• Seiko 4446-154
• Seiko 6134-722