Seiko Cal. 6178 - 931

This Automatic model from 1977 features a 34mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8165ab1203d4]

Also known as: Turtle, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 6384-799
• Seiko 6281-936
• Seiko 7137-530
• Seiko 4597-549
• Seiko 3832-937
• Seiko 6636-899
• Seiko 6247-874
• Seiko 5226-791
• Seiko 6647-655
• Seiko 6199-826
• Seiko 4511-436
• Seiko 5663-703