Seiko Cal. 6684 - 445

This Hand-Winding model from 1978 features a 39mm Hardlex-Coated Steel case. Powered by the 6684 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-9340ee7751bb]

Also known as: Shogun, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 5658-716
• Seiko 3880-511
• Seiko 3833-748
• Seiko 7083-117
• Seiko 6314-757
• Seiko 6267-922
• Seiko 6152-993
• Seiko 6678-328
• Seiko 4488-697
• Seiko 4415-483
• Seiko 3869-194
• Seiko 4597-176