Seiko Cal. 4442 - 327

This Spring Drive model from 1975 features a 46mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-dea88f32214b]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

Related Models

• Seiko 7039-943
• Seiko 6330-108
• Seiko 4553-112
• Seiko 3890-370
• Seiko 3857-302
• Seiko 6351-630
• Seiko 6150-346
• Seiko 5268-363
• Seiko 5682-596
• Seiko 7090-401
• Seiko 4546-946
• Seiko 6114-876