Seiko Cal. 5648 - 850

This Hand-Winding model from 1988 features a 40mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-a69362504da2]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

Related Models

• Seiko 0718-711
• Seiko 5661-775
• Seiko 6617-994
• Seiko 0763-260
• Seiko 6120-137
• Seiko 4589-173
• Seiko 6633-266
• Seiko 5244-287
• Seiko 3873-203
• Seiko 4514-322
• Seiko 6121-140
• Seiko 7131-507