Seiko Cal. 6131 - 603

Released in 1968, the Cal. 6131 with design code 603 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-61ef7b520136]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

Related Models

• Seiko 6315-738
• Seiko 5245-537
• Seiko 5210-126
• Seiko 0770-471
• Seiko 6693-794
• Seiko 6260-896
• Seiko 6248-244
• Seiko 0732-846
• Seiko 3829-203
• Seiko 7028-682
• Seiko 6251-643
• Seiko 3869-451