Seiko Cal. 4546 - 678

The Seiko 4546-678 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-7a6af57cde95]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 7041-915
• Seiko 7184-166
• Seiko 6165-989
• Seiko 6264-272
• Seiko 6354-590
• Seiko 0726-495
• Seiko 4565-112
• Seiko 7042-903
• Seiko 4556-618
• Seiko 6668-709
• Seiko 6675-695
• Seiko 7157-288