Seiko Cal. 0731 - 848

The Seiko 0731-848 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-6e143df9e773]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 6614-170
• Seiko 5274-977
• Seiko 3830-386
• Seiko 6617-673
• Seiko 4489-277
• Seiko 3842-160
• Seiko 4449-975
• Seiko 4483-535
• Seiko 6141-838
• Seiko 5699-570
• Seiko 4496-814
• Seiko 6155-454