Seiko Cal. 3851 - 223

Released in 1975, the Cal. 3851 with design code 223 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-bf4fa9487946]

Also known as: Turtle, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

Related Models

• Seiko 6370-630
• Seiko 6652-113
• Seiko 6682-934
• Seiko 7134-891
• Seiko 6121-411
• Seiko 5626-125
• Seiko 5221-986
• Seiko 6136-350
• Seiko 3812-832
• Seiko 6266-230
• Seiko 6181-819
• Seiko 6675-606