Seiko Cal. 4581 - 677

This Spring Drive model from 1998 features a 34mm Gold-Plated case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-beb0259f0f25]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1998

Related Models

• Seiko 3831-512
• Seiko 6640-132
• Seiko 7115-326
• Seiko 6194-426
• Seiko 4565-195
• Seiko 6112-524
• Seiko 5672-652
• Seiko 4478-560
• Seiko 3834-584
• Seiko 6218-280
• Seiko 3836-835
• Seiko 7131-766