Seiko Cal. 6674 - 158

Released in 1978, the Cal. 6674 with design code 158 was part of Seiko's domestic market collection. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-7c9ff9eac96c]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 5298-846
• Seiko 6318-181
• Seiko 5662-663
• Seiko 4422-553
• Seiko 7191-557
• Seiko 7194-551
• Seiko 6236-162
• Seiko 7138-603
• Seiko 7124-749
• Seiko 4417-801
• Seiko 6646-120
• Seiko 4420-561