Seiko Cal. 5633 - 627

The 5633-627 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-c4daa8783cfe]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1990

Related Models

• Seiko 3847-954
• Seiko 6388-991
• Seiko 3883-890
• Seiko 4537-192
• Seiko 5613-656
• Seiko 7040-295
• Seiko 7014-282
• Seiko 5680-806
• Seiko 7145-851
• Seiko 3818-757
• Seiko 6617-985
• Seiko 6221-905