Seiko Cal. 4581 - 370

The Seiko 4581-370 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8c96ddbd3b6a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1989

Related Models

• Seiko 6187-171
• Seiko 5216-354
• Seiko 7080-498
• Seiko 4453-791
• Seiko 7193-516
• Seiko 4457-609
• Seiko 4448-943
• Seiko 6113-147
• Seiko 0714-289
• Seiko 3877-885
• Seiko 5657-628
• Seiko 5626-948