Seiko Cal. 6636 - 376

The Seiko 6636-376 represents an important milestone in Seiko's 1991 lineup. Powered by the 6636 caliber with 28j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-45d48a9bb804]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1991

Related Models

• Seiko 6219-409
• Seiko 4416-851
• Seiko 6252-264
• Seiko 4443-508
• Seiko 4423-204
• Seiko 6248-316
• Seiko 5295-461
• Seiko 5626-582
• Seiko 6685-477
• Seiko 6280-638
• Seiko 4460-305
• Seiko 0715-202