Seiko Cal. 3821 - 140

This Hand-Winding model from 1978 features a 35mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-ad16f2dce778]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 7070-353
• Seiko 5294-542
• Seiko 7154-979
• Seiko 6658-248
• Seiko 6335-664
• Seiko 7017-117
• Seiko 4488-165
• Seiko 7115-199
• Seiko 5661-167
• Seiko 0779-225
• Seiko 4547-752
• Seiko 5253-917