Seiko Cal. 5645 - 830

The 5645-830 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-89a7d17cb146]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

Related Models

• Seiko 6662-192
• Seiko 5247-214
• Seiko 4412-711
• Seiko 7148-928
• Seiko 4414-316
• Seiko 6614-572
• Seiko 6189-616
• Seiko 7057-623
• Seiko 3887-383
• Seiko 4511-444
• Seiko 4594-888
• Seiko 0793-891