Seiko Cal. 7187 - 778

Released in 1987, the Cal. 7187 with design code 778 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-9d7fc7fe0203]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1987

Related Models

• Seiko 5226-403
• Seiko 4533-859
• Seiko 4415-566
• Seiko 5695-443
• Seiko 6637-840
• Seiko 6629-655
• Seiko 6145-264
• Seiko 5644-756
• Seiko 6138-203
• Seiko 3855-279
• Seiko 4476-417
• Seiko 6235-525