Seiko Cal. 3810 - 961

This Spring Drive model from 1992 features a 39mm Stainless Steel case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-af22dc4ba87e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1992

Related Models

• Seiko 4454-637
• Seiko 3880-539
• Seiko 6175-508
• Seiko 4551-761
• Seiko 6172-805
• Seiko 4545-387
• Seiko 6687-722
• Seiko 4412-941
• Seiko 4479-206
• Seiko 6341-576
• Seiko 4466-822
• Seiko 6643-403