Seiko Cal. 3815 - 557

This Quartz model from 1973 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-250dce0d79af]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

Related Models

• Seiko 4538-456
• Seiko 5295-425
• Seiko 7059-280
• Seiko 0772-167
• Seiko 7191-621
• Seiko 5270-313
• Seiko 3810-603
• Seiko 6681-725
• Seiko 4475-137
• Seiko 3884-652
• Seiko 6236-508
• Seiko 3827-430