Seiko Cal. 5646 - 683

The 5646-683 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-2981f56fab69]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1992

Related Models

• Seiko 5213-467
• Seiko 3873-298
• Seiko 5288-237
• Seiko 3812-522
• Seiko 5669-580
• Seiko 4455-400
• Seiko 6132-765
• Seiko 3870-752
• Seiko 7179-724
• Seiko 6675-422
• Seiko 6392-368
• Seiko 3813-722