Seiko Cal. 5666 - 635

This Quartz model from 1994 features a 36mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-07e9560451a1]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

Related Models

• Seiko 4549-130
• Seiko 4546-496
• Seiko 0733-704
• Seiko 6284-827
• Seiko 0769-998
• Seiko 7068-242
• Seiko 4473-994
• Seiko 7161-450
• Seiko 5688-870
• Seiko 6614-722
• Seiko 6155-275
• Seiko 7129-552