Seiko Cal. 6641 - 633

Seiko 6641-633

The Seiko 6641-633 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-150dfcd3747b]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1998

Related Models

seikata-wm-150dfcd3747b