Seiko Cal. 6690 - 478

This Hand-Winding model from 1997 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-5469c87c7a17]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1997

Related Models

• Seiko 5647-908
• Seiko 7099-572
• Seiko 4420-690
• Seiko 6266-398
• Seiko 6380-561
• Seiko 6242-355
• Seiko 0732-562
• Seiko 6189-216
• Seiko 0772-746
• Seiko 6611-356
• Seiko 7167-330
• Seiko 5247-464