Seiko Cal. 3894 - 673

This Hand-Winding model from 1987 features a 40mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-fad9428ff978]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

Related Models

• Seiko 4436-802
• Seiko 7121-408
• Seiko 6647-684
• Seiko 3855-305
• Seiko 0712-492
• Seiko 5684-570
• Seiko 4453-715
• Seiko 3884-320
• Seiko 7051-713
• Seiko 4438-558
• Seiko 3857-809
• Seiko 3850-228