Seiko Cal. 6637 - 273

The Seiko 6637-273 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-bbd290439ed9]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1980

Related Models

• Seiko 6657-355
• Seiko 7193-714
• Seiko 6331-140
• Seiko 7058-174
• Seiko 6126-357
• Seiko 6124-984
• Seiko 4476-121
• Seiko 5654-445
• Seiko 5295-787
• Seiko 4480-122
• Seiko 5633-753
• Seiko 6679-248