Seiko Cal. 4412 - 678

This Spring Drive model from 1990 features a 41mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-e03ec33c0837]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

Related Models

• Seiko 0724-881
• Seiko 5697-535
• Seiko 6641-215
• Seiko 4447-607
• Seiko 6140-710
• Seiko 7071-967
• Seiko 0715-140
• Seiko 0743-568
• Seiko 4480-880
• Seiko 0787-222
• Seiko 5259-748
• Seiko 5217-460