Seiko Cal. 6636 - 428

The Seiko 6636-428 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-9ca4b4693307]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

Related Models

• Seiko 6616-158
• Seiko 5223-518
• Seiko 5239-159
• Seiko 6318-878
• Seiko 5244-323
• Seiko 6240-881
• Seiko 0757-116
• Seiko 6197-264
• Seiko 5639-847
• Seiko 6338-818
• Seiko 5273-444
• Seiko 6367-306