Seiko Cal. 5641 - 355

Seiko 5641-355

This Automatic model from 1999 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9e0641e2828d]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
Burgundy
Jewels
20j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1999

Related Models

seikata-wm-9e0641e2828d