Seiko Cal. 5644 - 287

The 5644-287 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-226ca2ae2eba]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

Related Models

• Seiko 7163-539
• Seiko 5277-510
• Seiko 5297-290
• Seiko 3856-436
• Seiko 5282-116
• Seiko 6653-808
• Seiko 7192-346
• Seiko 6280-137
• Seiko 7136-345
• Seiko 6118-515
• Seiko 6173-374
• Seiko 7155-271