Seiko Cal. 6310 - 478

The Seiko 6310-478 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-14a2c13882bf]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1987

Related Models

• Seiko 0762-945
• Seiko 6183-285
• Seiko 6344-151
• Seiko 6131-678
• Seiko 6397-811
• Seiko 4492-248
• Seiko 6378-802
• Seiko 6178-471
• Seiko 6242-222
• Seiko 7146-715
• Seiko 7196-690
• Seiko 7026-770