Seiko Cal. 5637 - 305

The Seiko 5637-305 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-aa9921b0e868]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 4460-422
• Seiko 4432-194
• Seiko 7096-730
• Seiko 7175-139
• Seiko 6628-894
• Seiko 4465-130
• Seiko 6336-245
• Seiko 3856-958
• Seiko 6365-494
• Seiko 5243-428
• Seiko 4476-555
• Seiko 0759-555