Seiko Cal. 3846 - 903

The Seiko 3846-903 represents an important milestone in Seiko's 1982 lineup. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9a4d7bea492a]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1982

Related Models

• Seiko 6637-159
• Seiko 6358-652
• Seiko 6680-596
• Seiko 5678-187
• Seiko 5259-877
• Seiko 7194-291
• Seiko 6628-280
• Seiko 6642-796
• Seiko 5298-988
• Seiko 5625-915
• Seiko 7179-171
• Seiko 4420-277