Seiko Cal. 6644 - 412

This Quartz model from 1966 features a 37mm Titanium case. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-cecd69e92843]

Also known as: Shogun, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

Related Models

• Seiko 5693-139
• Seiko 3811-414
• Seiko 6310-435
• Seiko 6182-680
• Seiko 7152-832
• Seiko 3894-601
• Seiko 6282-275
• Seiko 4476-359
• Seiko 6639-743
• Seiko 7032-645
• Seiko 4598-232
• Seiko 0779-923