Seiko Cal. 4436 - 563

The 4436-563 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-440f5841f81b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

Related Models

• Seiko 5261-710
• Seiko 6359-445
• Seiko 3893-941
• Seiko 5636-561
• Seiko 6654-462
• Seiko 0776-330
• Seiko 6155-780
• Seiko 0718-439
• Seiko 6245-548
• Seiko 7038-127
• Seiko 7052-982
• Seiko 7081-801