Seiko Cal. 5630 - 277

The 5630-277 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-2e3cfa567a71]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

Related Models

• Seiko 4491-234
• Seiko 4512-183
• Seiko 0712-899
• Seiko 3875-370
• Seiko 4514-116
• Seiko 6631-582
• Seiko 6211-177
• Seiko 5234-905
• Seiko 6142-127
• Seiko 7032-697
• Seiko 4551-500
• Seiko 7123-982