Seiko Cal. 6616 - 254

This Spring Drive model from 1965 features a 37mm Two-Tone case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-8c955b9b61bb]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

Related Models

• Seiko 0784-510
• Seiko 4548-733
• Seiko 5255-572
• Seiko 0745-939
• Seiko 6652-809
• Seiko 4454-631
• Seiko 4487-911
• Seiko 4562-746
• Seiko 7155-859
• Seiko 6155-507
• Seiko 6278-271
• Seiko 7027-589