Seiko Cal. 6637 - 241

This Quartz model from 1997 features a 45mm Stainless Steel case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-9ffe56114ee8]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1997

Related Models

• Seiko 5243-481
• Seiko 6682-128
• Seiko 0756-623
• Seiko 3832-759
• Seiko 4464-642
• Seiko 4472-495
• Seiko 7191-669
• Seiko 7064-365
• Seiko 5675-369
• Seiko 4550-150
• Seiko 0750-346
• Seiko 3864-709