Seiko Cal. 6379 - 991

The Seiko 6379-991 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-4c5cb1c28b80]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1990

Related Models

• Seiko 6638-636
• Seiko 4533-584
• Seiko 5270-752
• Seiko 0766-841
• Seiko 5674-415
• Seiko 5649-796
• Seiko 4490-820
• Seiko 4488-459
• Seiko 4414-861
• Seiko 5699-920
• Seiko 4434-628
• Seiko 5213-586