Seiko Cal. 6627 - 741

This Hand-Winding model from 1973 features a 43mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-23e9f559651f]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

Related Models

• Seiko 6353-783
• Seiko 6255-488
• Seiko 6155-937
• Seiko 6170-582
• Seiko 5261-753
• Seiko 6678-554
• Seiko 7136-349
• Seiko 5639-970
• Seiko 5227-962
• Seiko 0741-755
• Seiko 0723-901
• Seiko 5244-715