Seiko Cal. 6645 - 277

The 6645-277 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-23eb55e9676c]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

Related Models

• Seiko 3847-940
• Seiko 0753-533
• Seiko 6688-693
• Seiko 6126-196
• Seiko 7042-893
• Seiko 6143-425
• Seiko 6327-360
• Seiko 6295-113
• Seiko 5281-686
• Seiko 4495-763
• Seiko 6315-276
• Seiko 6688-418