Seiko Cal. 6390 - 815

The Seiko 6390-815 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f0b4a86dd66b]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 7092-836
• Seiko 5614-616
• Seiko 6144-702
• Seiko 7053-277
• Seiko 4460-308
• Seiko 6262-722
• Seiko 6176-413
• Seiko 6389-656
• Seiko 5633-105
• Seiko 5226-737
• Seiko 7164-213
• Seiko 5272-923