Seiko Cal. 3831 - 605

This Hand-Winding model from 1970 features a 35mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-da642d92e282]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

Related Models

• Seiko 4581-892
• Seiko 0780-388
• Seiko 5236-184
• Seiko 5211-662
• Seiko 5676-567
• Seiko 6164-524
• Seiko 4558-352
• Seiko 7175-950
• Seiko 6331-473
• Seiko 4598-610
• Seiko 0734-249
• Seiko 6616-382