Seiko Cal. 5621 - 370

Seiko 5621-370

This Automatic model from 1985 features a 41mm Hardlex-Coated Steel case. Powered by the 5621 caliber with 28j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-83951f65d241]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1985

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