Seiko Cal. 4454 - 637

The Seiko 4454-637 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ad08787ae843]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1974

Related Models

• Seiko 6380-220
• Seiko 6212-845
• Seiko 3849-771
• Seiko 7015-897
• Seiko 5211-798
• Seiko 6615-355
• Seiko 5689-966
• Seiko 4524-433
• Seiko 7140-241
• Seiko 0758-990
• Seiko 6625-475
• Seiko 7137-567