Seiko Cal. 3874 - 310

This Solar model from 1977 features a 35mm Titanium case. It features a Champagne dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-1bccdee10cb0]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 6391-952
• Seiko 4466-196
• Seiko 6144-538
• Seiko 7081-362
• Seiko 6686-171
• Seiko 7080-934
• Seiko 0745-582
• Seiko 4493-369
• Seiko 6136-796
• Seiko 5681-754
• Seiko 6613-465
• Seiko 6695-164