Seiko Cal. 7178 - 749

The Seiko 7178-749 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-8d8ff6b133c3]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

Related Models

• Seiko 7024-355
• Seiko 5215-863
• Seiko 3882-605
• Seiko 6657-925
• Seiko 6189-865
• Seiko 3883-602
• Seiko 6342-885
• Seiko 7047-717
• Seiko 5681-332
• Seiko 6175-487
• Seiko 4499-743
• Seiko 3875-995