Seiko Cal. 5678 - 240

The Seiko 5678-240 represents an important milestone in Seiko's 1999 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-bc72457a0b8f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1999

Related Models

• Seiko 5626-289
• Seiko 6696-799
• Seiko 0731-779
• Seiko 6662-674
• Seiko 4539-679
• Seiko 7072-591
• Seiko 4534-915
• Seiko 6283-106
• Seiko 6295-276
• Seiko 5647-132
• Seiko 6195-628
• Seiko 7178-657